Home / 75,258.28-112,955.10-40,227.88

Finding the Fourth Proportional to 75,258.28, 112,955.10 and 40,227.88

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Solution

The fourth proportional to 75,258.28, 112,955.10 and 40,227.88 is: 60,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,258.28 : 112,955.10 = 40,227.88 : x
  2. Step 2: Convert to fraction form
    75,258.28/112,955.10 = 40,227.88/x
  3. Step 3: Cross multiply
    75,258.28x = 112,955.10 × 40,227.88
  4. Step 4: Simplify right side
    75,258.28x = 4,543,944,208.19
  5. Step 5: Solve for x
    x = 4,543,944,208.19/75,258.28
  6. Step 6: Final answer
    x = 60,378.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.